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<h1 id="sec_name">
<span data-if="hdevelop" style="display:inline;">tuple_union</span><span data-if="c" style="display:none;">tuple_union</span><span data-if="cpp" style="display:none;">TupleUnion</span><span data-if="dotnet" style="display:none;">TupleUnion</span><span data-if="python" style="display:none;">tuple_union</span> (算子名称)</h1>
<h2>名称</h2>
<p><code><span data-if="hdevelop" style="display:inline;">tuple_union</span><span data-if="c" style="display:none;">tuple_union</span><span data-if="cpp" style="display:none;">TupleUnion</span><span data-if="dotnet" style="display:none;">TupleUnion</span><span data-if="python" style="display:none;">tuple_union</span></code> — Compute the union set of two input tuples.</p>
<h2 id="sec_synopsis">参数签名</h2>
<div data-if="hdevelop" style="display:inline;">
<p>
<code><b>tuple_union</b>( :  : <a href="#Set1"><i>Set1</i></a>, <a href="#Set2"><i>Set2</i></a> : <a href="#Union"><i>Union</i></a>)</code></p>
</div>
<div data-if="c" style="display:none;">
<p>
<code>Herror <b>tuple_union</b>(const Hlong <a href="#Set1"><i>Set1</i></a>, const Hlong <a href="#Set2"><i>Set2</i></a>, Hlong* <a href="#Union"><i>Union</i></a>)</code></p>
<p>
<code>Herror <b>T_tuple_union</b>(const Htuple <a href="#Set1"><i>Set1</i></a>, const Htuple <a href="#Set2"><i>Set2</i></a>, Htuple* <a href="#Union"><i>Union</i></a>)</code></p>
</div>
<div data-if="cpp" style="display:none;">
<p>
<code>void <b>TupleUnion</b>(const HTuple&amp; <a href="#Set1"><i>Set1</i></a>, const HTuple&amp; <a href="#Set2"><i>Set2</i></a>, HTuple* <a href="#Union"><i>Union</i></a>)</code></p>
<p>
<code><a href="HTuple.html">HTuple</a> <a href="HTuple.html">HTuple</a>::<b>TupleUnion</b>(const HTuple&amp; <a href="#Set2"><i>Set2</i></a>) const</code></p>
</div>
<div data-if="com" style="display:none;"></div>
<div data-if="dotnet" style="display:none;">
<p>
<code>static void <a href="HOperatorSet.html">HOperatorSet</a>.<b>TupleUnion</b>(<a href="HTuple.html">HTuple</a> <a href="#Set1"><i>set1</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Set2"><i>set2</i></a>, out <a href="HTuple.html">HTuple</a> <a href="#Union"><i>union</i></a>)</code></p>
<p>
<code><a href="HTuple.html">HTuple</a> <a href="HTuple.html">HTuple</a>.<b>TupleUnion</b>(<a href="HTuple.html">HTuple</a> <a href="#Set2"><i>set2</i></a>)</code></p>
</div>
<div data-if="python" style="display:none;">
<p>
<code>def <b>tuple_union</b>(<a href="#Set1"><i>set_1</i></a>: HTupleType, <a href="#Set2"><i>set_2</i></a>: HTupleType) -&gt; Sequence[HTupleElementType]</code></p>
<p>
<code>def <b>tuple_union_s</b>(<a href="#Set1"><i>set_1</i></a>: HTupleType, <a href="#Set2"><i>set_2</i></a>: HTupleType) -&gt; HTupleElementType</code></p>
</div>
<h2 id="sec_description">描述</h2>
<p><code><span data-if="hdevelop" style="display:inline">tuple_union</span><span data-if="c" style="display:none">tuple_union</span><span data-if="cpp" style="display:none">TupleUnion</span><span data-if="com" style="display:none">TupleUnion</span><span data-if="dotnet" style="display:none">TupleUnion</span><span data-if="python" style="display:none">tuple_union</span></code> returns the union set from
<a href="#Set1"><i><code><span data-if="hdevelop" style="display:inline">Set1</span><span data-if="c" style="display:none">Set1</span><span data-if="cpp" style="display:none">Set1</span><span data-if="com" style="display:none">Set1</span><span data-if="dotnet" style="display:none">set1</span><span data-if="python" style="display:none">set_1</span></code></i></a> and <a href="#Set2"><i><code><span data-if="hdevelop" style="display:inline">Set2</span><span data-if="c" style="display:none">Set2</span><span data-if="cpp" style="display:none">Set2</span><span data-if="com" style="display:none">Set2</span><span data-if="dotnet" style="display:none">set2</span><span data-if="python" style="display:none">set_2</span></code></i></a> in <a href="#Union"><i><code><span data-if="hdevelop" style="display:inline">Union</span><span data-if="c" style="display:none">Union</span><span data-if="cpp" style="display:none">Union</span><span data-if="com" style="display:none">Union</span><span data-if="dotnet" style="display:none">union</span><span data-if="python" style="display:none">union</span></code></i></a>. For example,
if <a href="#Set1"><i><code><span data-if="hdevelop" style="display:inline">Set1</span><span data-if="c" style="display:none">Set1</span><span data-if="cpp" style="display:none">Set1</span><span data-if="com" style="display:none">Set1</span><span data-if="dotnet" style="display:none">set1</span><span data-if="python" style="display:none">set_1</span></code></i></a> contains the values [0,1,3,3,5] and <a href="#Set2"><i><code><span data-if="hdevelop" style="display:inline">Set2</span><span data-if="c" style="display:none">Set2</span><span data-if="cpp" style="display:none">Set2</span><span data-if="com" style="display:none">Set2</span><span data-if="dotnet" style="display:none">set2</span><span data-if="python" style="display:none">set_2</span></code></i></a>
contains the values [3,4], the output <a href="#Union"><i><code><span data-if="hdevelop" style="display:inline">Union</span><span data-if="c" style="display:none">Union</span><span data-if="cpp" style="display:none">Union</span><span data-if="com" style="display:none">Union</span><span data-if="dotnet" style="display:none">union</span><span data-if="python" style="display:none">union</span></code></i></a> is [0,1,3,4,5].
该算子 also allows mixed types of elements in the input tuples.
However, the elements with different types will be considered as
different elements, i.e. 1.0 and 1 are different. For example,
the union of [2,5,3] and [4.0,5.0] is [2,5,3,4.0,5.0].
</p>
<h3>Exception: Empty input tuples</h3>
<p>If both of the input tuples are empty, 该算子 returns an
empty tuple. If one of the input tuples is empty and the other is not,
the output corresponds to the input tuple that is not empty.
</p>
<h3>HDevelop In-line Operation</h3>
<p>HDevelop provides an in-line operation for <code><span data-if="hdevelop" style="display:inline">tuple_union</span><span data-if="c" style="display:none">tuple_union</span><span data-if="cpp" style="display:none">TupleUnion</span><span data-if="com" style="display:none">TupleUnion</span><span data-if="dotnet" style="display:none">TupleUnion</span><span data-if="python" style="display:none">tuple_union</span></code>,
which can be used in an expression in the following syntax:
</p>
<p><a href="../../manuals/hdevelop_users_guide/hdevelop_language_operations_set_0000.html">
<code>Union := union(Set1, Set2)</code>
</a>
</p>
<h2 id="sec_execution">运行信息</h2>
<ul>
  <li>Multithreading type: independent (runs in parallel even with exclusive operators).</li>
<li>多线程作用域:全局(可以从任何线程调用)。</li>
  
    <li>Automatically parallelized on internal data level.</li>
  
</ul>
<h2 id="sec_parameters">参数表</h2>
  <div class="par">
<div class="parhead">
<span id="Set1" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Set1</span><span data-if="c" style="display:none">Set1</span><span data-if="cpp" style="display:none">Set1</span><span data-if="com" style="display:none">Set1</span><span data-if="dotnet" style="display:none">set1</span><span data-if="python" style="display:none">set_1</span></code></b> (input_control)  </span><span>tuple(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">HTupleType</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (integer / </span><span data-if="hdevelop" style="display:inline">real / </span><span data-if="hdevelop" style="display:inline">string / </span><span data-if="hdevelop" style="display:inline">handle)</span><span data-if="dotnet" style="display:none"> (<i>int</i> / </span><span data-if="dotnet" style="display:none">long / </span><span data-if="dotnet" style="display:none">double / </span><span data-if="dotnet" style="display:none">string / </span><span data-if="dotnet" style="display:none">HHandle)</span><span data-if="cpp" style="display:none"> (<i>Hlong</i> / </span><span data-if="cpp" style="display:none">double / </span><span data-if="cpp" style="display:none">HString / </span><span data-if="cpp" style="display:none">HHandle)</span><span data-if="c" style="display:none"> (<i>Hlong</i> / </span><span data-if="c" style="display:none">double / </span><span data-if="c" style="display:none">char* / </span><span data-if="c" style="display:none">handle)</span></span>
</div>
<p class="pardesc">Input tuple.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Set2" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Set2</span><span data-if="c" style="display:none">Set2</span><span data-if="cpp" style="display:none">Set2</span><span data-if="com" style="display:none">Set2</span><span data-if="dotnet" style="display:none">set2</span><span data-if="python" style="display:none">set_2</span></code></b> (input_control)  </span><span>tuple(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">HTupleType</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (integer / </span><span data-if="hdevelop" style="display:inline">real / </span><span data-if="hdevelop" style="display:inline">string / </span><span data-if="hdevelop" style="display:inline">handle)</span><span data-if="dotnet" style="display:none"> (<i>int</i> / </span><span data-if="dotnet" style="display:none">long / </span><span data-if="dotnet" style="display:none">double / </span><span data-if="dotnet" style="display:none">string / </span><span data-if="dotnet" style="display:none">HHandle)</span><span data-if="cpp" style="display:none"> (<i>Hlong</i> / </span><span data-if="cpp" style="display:none">double / </span><span data-if="cpp" style="display:none">HString / </span><span data-if="cpp" style="display:none">HHandle)</span><span data-if="c" style="display:none"> (<i>Hlong</i> / </span><span data-if="c" style="display:none">double / </span><span data-if="c" style="display:none">char* / </span><span data-if="c" style="display:none">handle)</span></span>
</div>
<p class="pardesc">Input tuple.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Union" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Union</span><span data-if="c" style="display:none">Union</span><span data-if="cpp" style="display:none">Union</span><span data-if="com" style="display:none">Union</span><span data-if="dotnet" style="display:none">union</span><span data-if="python" style="display:none">union</span></code></b> (output_control)  </span><span>tuple(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">Sequence[HTupleElementType]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (integer / </span><span data-if="hdevelop" style="display:inline">real / </span><span data-if="hdevelop" style="display:inline">string / </span><span data-if="hdevelop" style="display:inline">handle)</span><span data-if="dotnet" style="display:none"> (<i>int</i> / </span><span data-if="dotnet" style="display:none">long / </span><span data-if="dotnet" style="display:none">double / </span><span data-if="dotnet" style="display:none">string / </span><span data-if="dotnet" style="display:none">HHandle)</span><span data-if="cpp" style="display:none"> (<i>Hlong</i> / </span><span data-if="cpp" style="display:none">double / </span><span data-if="cpp" style="display:none">HString / </span><span data-if="cpp" style="display:none">HHandle)</span><span data-if="c" style="display:none"> (<i>Hlong</i> / </span><span data-if="c" style="display:none">double / </span><span data-if="c" style="display:none">char* / </span><span data-if="c" style="display:none">handle)</span></span>
</div>
<p class="pardesc">The union set of two input tuples.</p>
</div>
<h2 id="sec_result">结果</h2>
<p>如果参数均有效，算子
<code><span data-if="hdevelop" style="display:inline">tuple_union</span><span data-if="c" style="display:none">tuple_union</span><span data-if="cpp" style="display:none">TupleUnion</span><span data-if="com" style="display:none">TupleUnion</span><span data-if="dotnet" style="display:none">TupleUnion</span><span data-if="python" style="display:none">tuple_union</span></code> 返回值 <TT>2</TT> (
      <TT>H_MSG_TRUE</TT>)
    .
</p>
<h2 id="sec_alternatives">可替代算子</h2>
<p>
<code><a href="tuple_intersection.html"><span data-if="hdevelop" style="display:inline">tuple_intersection</span><span data-if="c" style="display:none">tuple_intersection</span><span data-if="cpp" style="display:none">TupleIntersection</span><span data-if="com" style="display:none">TupleIntersection</span><span data-if="dotnet" style="display:none">TupleIntersection</span><span data-if="python" style="display:none">tuple_intersection</span></a></code>
</p>
<h2 id="sec_see">参考其它</h2>
<p>
<code><a href="tuple_difference.html"><span data-if="hdevelop" style="display:inline">tuple_difference</span><span data-if="c" style="display:none">tuple_difference</span><span data-if="cpp" style="display:none">TupleDifference</span><span data-if="com" style="display:none">TupleDifference</span><span data-if="dotnet" style="display:none">TupleDifference</span><span data-if="python" style="display:none">tuple_difference</span></a></code>, 
<code><a href="tuple_intersection.html"><span data-if="hdevelop" style="display:inline">tuple_intersection</span><span data-if="c" style="display:none">tuple_intersection</span><span data-if="cpp" style="display:none">TupleIntersection</span><span data-if="com" style="display:none">TupleIntersection</span><span data-if="dotnet" style="display:none">TupleIntersection</span><span data-if="python" style="display:none">tuple_intersection</span></a></code>, 
<code><a href="tuple_symmdiff.html"><span data-if="hdevelop" style="display:inline">tuple_symmdiff</span><span data-if="c" style="display:none">tuple_symmdiff</span><span data-if="cpp" style="display:none">TupleSymmdiff</span><span data-if="com" style="display:none">TupleSymmdiff</span><span data-if="dotnet" style="display:none">TupleSymmdiff</span><span data-if="python" style="display:none">tuple_symmdiff</span></a></code>
</p>
<h2 id="sec_module">模块</h2>
<p>
Foundation</p>
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